Respuesta :

emma23131

Answer:

B. 2

Step-by-step explanation:

[tex]\sqrt{100}[/tex] = ±10

easy way to explain is by factoring:

x² = 100

x² - 100 = 0

(x + 10) (x - 10)

if we put them both equal to 0, its give us 2 x value +10 and -10

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